Stars, Galaxies, and the Universe

Which star has the lowest luminosity?

• A
• B
• C
• D

Which star is considered a Main Sequence Star?

• A
• B
• C
• D

What process takes place inside a star to generate energy

• Nuclear fission
• Hydrogen Creation
• Nuclear fusion
• Helium forming

What do the initial moments after the Big Bang have in common with the universe as it exists now? 

• all the stars, galaxies, and planets that exist today were formed just a few moments after the Big Bang
• The universe back then could not sustain life, and it cannot sustain life now
• the universe was extremely hot then, and it is still extremely hot not
• the universe began expanding then, and it is still expanding today

Which of these puts the main parts of an average star's life cycle in the correct order?

• protostar>
  main sequence>
  red giant >
  white dwarf
• protostar> 
  main sequence> 
  white dwarf> 
  red giant
• main sequence> 
  protostar> 
  white dwarf> 
  red giant
• protostar> 
  red giant >
  main sequence> 
  white dwarf

A star at the stage in its life cycle when it stops burning hydrogen, begins burning helium, and expands to a large, low-density star.
What stage in the life cycle does this describe? 

• Supernova
• Black Hole
• Main Sequence
• Red Giant or Red Supergiant

Put the stars in order from hottest to coolest.

• Blue, Red, White, Yellow, Orange, 
• Red, White, Yellow, Orange, Blue
• Blue, White, Yellow, Red, Orange
• Blue, White, Yellow, Orange, Red

Who discovered that the galaxies were moving away from one another?

• Edwin Hubble
• Issac Newton
• Albert Einstein
• Galileo Galile

Which piece of evidence supports the Big Bang theory?

• The more distant galaxies are moving the slowest
• The more distant galaxies are moving the quickest
• The more distant galaxies are moving towards us
• Galaxies and space is not changing

It takes 8.9 years for light produced on Carinae V602 to reach the sun.  If Star X is 30 times as far from the sun as Carinae V602 is, how far is Star X from the sun, to the nearest light year?

• 267
• 5358
• 632
• 68